package com.laber.anno;


import com.laber.validation.StateValidation;
import jakarta.validation.Constraint;
import jakarta.validation.Payload;

import java.lang.annotation.*;

@Documented     //元注解
@Target({ElementType.FIELD})    //元注解，作用与属性上
@Retention(RetentionPolicy.RUNTIME)    //元注解，运行时保留
@Constraint(validatedBy = {StateValidation.class})  //指定提供校验规则的类
public @interface State {
    //提供校验失败后的提示信息
    String message() default "{state参数的值只能是已发布或草稿";
    //指定分组
    Class<?>[] groups() default {};
    //负载    获取到State注解的附加信息
    Class<? extends Payload>[] payload() default {};
}
